How to convert int (integer) type to decimal in php

Conversion method: 1. Use the number_format() function, the syntax "number_format (int type value, number of decimal places)"; 2. Use the sprintf() function, the syntax "sprintf("%.xf", value of type int)", the parameter x is the number of decimal places.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php will int ( Integer) type to decimal

Method 1: Use the number_format() function

number_format() can format numbers by thousands grouping .

<?php
echo number_format(12,1)."<br>";
echo number_format(12,2)."<br>";
echo number_format(12,3)."<br>";
echo number_format(12,4)."<br>";
?>

Method 2: Use sprintf() function

sprintf() function writes the formatted string into a variable middle.

<?php
echo sprintf("%.1f",12)."<br>";
echo sprintf("%.2f",13)."<br>";
echo sprintf("%.3f",14)."<br>";
echo sprintf("%.4f",15)."<br>";
?>

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